Dr Andrew Scott G7VAV

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fb.h
001: #ifndef _LINUX_FB_H
002: #define _LINUX_FB_H
003: 
004: #include <linux/types.h>
005: #include <linux/i2c.h>
006: 
007: /* Definitions of frame buffers                                         */
008: 
009: #define FB_MAX                  32      /* sufficient for now */
010: 
011: /* ioctls
012:    0x46 is 'F'                                                          */
013: #define FBIOGET_VSCREENINFO     0x4600
014: #define FBIOPUT_VSCREENINFO     0x4601
015: #define FBIOGET_FSCREENINFO     0x4602
016: #define FBIOGETCMAP             0x4604
017: #define FBIOPUTCMAP             0x4605
018: #define FBIOPAN_DISPLAY         0x4606
019: #define FBIO_CURSOR            _IOWR('F', 0x08, struct fb_cursor)
020: /* 0x4607-0x460B are defined below */
021: /* #define FBIOGET_MONITORSPEC  0x460C */
022: /* #define FBIOPUT_MONITORSPEC  0x460D */
023: /* #define FBIOSWITCH_MONIBIT   0x460E */
024: #define FBIOGET_CON2FBMAP       0x460F
025: #define FBIOPUT_CON2FBMAP       0x4610
026: #define FBIOBLANK               0x4611          /* arg: 0 or vesa level + 1 */
027: #define FBIOGET_VBLANK          _IOR('F', 0x12, struct fb_vblank)
028: #define FBIO_ALLOC              0x4613
029: #define FBIO_FREE               0x4614
030: #define FBIOGET_GLYPH           0x4615
031: #define FBIOGET_HWCINFO         0x4616
032: #define FBIOPUT_MODEINFO        0x4617
033: #define FBIOGET_DISPINFO        0x4618
034: #define FBIO_WAITFORVSYNC       _IOW('F', 0x20, __u32)
035: 
036: #define FB_TYPE_PACKED_PIXELS           0       /* Packed Pixels        */
037: #define FB_TYPE_PLANES                  1       /* Non interleaved planes */
038: #define FB_TYPE_INTERLEAVED_PLANES      2       /* Interleaved planes   */
039: #define FB_TYPE_TEXT                    3       /* Text/attributes      */
040: #define FB_TYPE_VGA_PLANES              4       /* EGA/VGA planes       */
041: 
042: #define FB_AUX_TEXT_MDA         0       /* Monochrome text */
043: #define FB_AUX_TEXT_CGA         1       /* CGA/EGA/VGA Color text */
044: #define FB_AUX_TEXT_S3_MMIO     2       /* S3 MMIO fasttext */
045: #define FB_AUX_TEXT_MGA_STEP16  3       /* MGA Millenium I: text, attr, 14 reserved bytes */
046: #define FB_AUX_TEXT_MGA_STEP8   4       /* other MGAs:      text, attr,  6 reserved bytes */
047: #define FB_AUX_TEXT_SVGA_GROUP  8       /* 8-15: SVGA tileblit compatible modes */
048: #define FB_AUX_TEXT_SVGA_MASK   7       /* lower three bits says step */
049: #define FB_AUX_TEXT_SVGA_STEP2  8       /* SVGA text mode:  text, attr */
050: #define FB_AUX_TEXT_SVGA_STEP4  9       /* SVGA text mode:  text, attr,  2 reserved bytes */
051: #define FB_AUX_TEXT_SVGA_STEP8  10      /* SVGA text mode:  text, attr,  6 reserved bytes */
052: #define FB_AUX_TEXT_SVGA_STEP16 11      /* SVGA text mode:  text, attr, 14 reserved bytes */
053: #define FB_AUX_TEXT_SVGA_LAST   15      /* reserved up to 15 */
054: 
055: #define FB_AUX_VGA_PLANES_VGA4          0       /* 16 color planes (EGA/VGA) */
056: #define FB_AUX_VGA_PLANES_CFB4          1       /* CFB4 in planes (VGA) */
057: #define FB_AUX_VGA_PLANES_CFB8          2       /* CFB8 in planes (VGA) */
058: 
059: #define FB_VISUAL_MONO01                0       /* Monochr. 1=Black 0=White */
060: #define FB_VISUAL_MONO10                1       /* Monochr. 1=White 0=Black */
061: #define FB_VISUAL_TRUECOLOR             2       /* True color   */
062: #define FB_VISUAL_PSEUDOCOLOR           3       /* Pseudo color (like atari) */
063: #define FB_VISUAL_DIRECTCOLOR           4       /* Direct color */
064: #define FB_VISUAL_STATIC_PSEUDOCOLOR    5       /* Pseudo color readonly */
065: 
066: #define FB_ACCEL_NONE           0       /* no hardware accelerator      */
067: #define FB_ACCEL_ATARIBLITT     1       /* Atari Blitter                */
068: #define FB_ACCEL_AMIGABLITT     2       /* Amiga Blitter                */
069: #define FB_ACCEL_S3_TRIO64      3       /* Cybervision64 (S3 Trio64)    */
070: #define FB_ACCEL_NCR_77C32BLT   4       /* RetinaZ3 (NCR 77C32BLT)      */
071: #define FB_ACCEL_S3_VIRGE       5       /* Cybervision64/3D (S3 ViRGE)  */
072: #define FB_ACCEL_ATI_MACH64GX   6       /* ATI Mach 64GX family         */
073: #define FB_ACCEL_DEC_TGA        7       /* DEC 21030 TGA                */
074: #define FB_ACCEL_ATI_MACH64CT   8       /* ATI Mach 64CT family         */
075: #define FB_ACCEL_ATI_MACH64VT   9       /* ATI Mach 64CT family VT class */
076: #define FB_ACCEL_ATI_MACH64GT   10      /* ATI Mach 64CT family GT class */
077: #define FB_ACCEL_SUN_CREATOR    11      /* Sun Creator/Creator3D        */
078: #define FB_ACCEL_SUN_CGSIX      12      /* Sun cg6                      */
079: #define FB_ACCEL_SUN_LEO        13      /* Sun leo/zx                   */
080: #define FB_ACCEL_IMS_TWINTURBO  14      /* IMS Twin Turbo               */
081: #define FB_ACCEL_3DLABS_PERMEDIA2 15    /* 3Dlabs Permedia 2            */
082: #define FB_ACCEL_MATROX_MGA2064W 16     /* Matrox MGA2064W (Millenium)  */
083: #define FB_ACCEL_MATROX_MGA1064SG 17    /* Matrox MGA1064SG (Mystique)  */
084: #define FB_ACCEL_MATROX_MGA2164W 18     /* Matrox MGA2164W (Millenium II) */
085: #define FB_ACCEL_MATROX_MGA2164W_AGP 19 /* Matrox MGA2164W (Millenium II) */
086: #define FB_ACCEL_MATROX_MGAG100 20      /* Matrox G100 (Productiva G100) */
087: #define FB_ACCEL_MATROX_MGAG200 21      /* Matrox G200 (Myst, Mill, ...) */
088: #define FB_ACCEL_SUN_CG14       22      /* Sun cgfourteen                */
089: #define FB_ACCEL_SUN_BWTWO      23      /* Sun bwtwo                    */
090: #define FB_ACCEL_SUN_CGTHREE    24      /* Sun cgthree                  */
091: #define FB_ACCEL_SUN_TCX        25      /* Sun tcx                      */
092: #define FB_ACCEL_MATROX_MGAG400 26      /* Matrox G400                  */
093: #define FB_ACCEL_NV3            27      /* nVidia RIVA 128              */
094: #define FB_ACCEL_NV4            28      /* nVidia RIVA TNT              */
095: #define FB_ACCEL_NV5            29      /* nVidia RIVA TNT2             */
096: #define FB_ACCEL_CT_6555x       30      /* C&T 6555x                    */
097: #define FB_ACCEL_3DFX_BANSHEE   31      /* 3Dfx Banshee                 */
098: #define FB_ACCEL_ATI_RAGE128    32      /* ATI Rage128 family           */
099: #define FB_ACCEL_IGS_CYBER2000  33      /* CyberPro 2000                */
100: #define FB_ACCEL_IGS_CYBER2010  34      /* CyberPro 2010                */
101: #define FB_ACCEL_IGS_CYBER5000  35      /* CyberPro 5000                */
102: #define FB_ACCEL_SIS_GLAMOUR    36      /* SiS 300/630/540              */
103: #define FB_ACCEL_3DLABS_PERMEDIA3 37    /* 3Dlabs Permedia 3            */
104: #define FB_ACCEL_ATI_RADEON     38      /* ATI Radeon family            */
105: #define FB_ACCEL_I810           39      /* Intel 810/815                */
106: #define FB_ACCEL_SIS_GLAMOUR_2  40      /* SiS 315, 650, 740            */
107: #define FB_ACCEL_SIS_XABRE      41      /* SiS 330 ("Xabre")            */
108: #define FB_ACCEL_I830           42      /* Intel 830M/845G/85x/865G     */
109: #define FB_ACCEL_NV_10          43      /* nVidia Arch 10               */
110: #define FB_ACCEL_NV_20          44      /* nVidia Arch 20               */
111: #define FB_ACCEL_NV_30          45      /* nVidia Arch 30               */
112: #define FB_ACCEL_NV_40          46      /* nVidia Arch 40               */
113: #define FB_ACCEL_XGI_VOLARI_V   47      /* XGI Volari V3XT, V5, V8      */
114: #define FB_ACCEL_XGI_VOLARI_Z   48      /* XGI Volari Z7                */
115: #define FB_ACCEL_OMAP1610       49      /* TI OMAP16xx                  */
116: #define FB_ACCEL_TRIDENT_TGUI   50      /* Trident TGUI                 */
117: #define FB_ACCEL_TRIDENT_3DIMAGE 51     /* Trident 3DImage              */
118: #define FB_ACCEL_TRIDENT_BLADE3D 52     /* Trident Blade3D              */
119: #define FB_ACCEL_TRIDENT_BLADEXP 53     /* Trident BladeXP              */
120: #define FB_ACCEL_CIRRUS_ALPINE   53     /* Cirrus Logic 543x/544x/5480  */
121: #define FB_ACCEL_NEOMAGIC_NM2070 90     /* NeoMagic NM2070              */
122: #define FB_ACCEL_NEOMAGIC_NM2090 91     /* NeoMagic NM2090              */
123: #define FB_ACCEL_NEOMAGIC_NM2093 92     /* NeoMagic NM2093              */
124: #define FB_ACCEL_NEOMAGIC_NM2097 93     /* NeoMagic NM2097              */
125: #define FB_ACCEL_NEOMAGIC_NM2160 94     /* NeoMagic NM2160              */
126: #define FB_ACCEL_NEOMAGIC_NM2200 95     /* NeoMagic NM2200              */
127: #define FB_ACCEL_NEOMAGIC_NM2230 96     /* NeoMagic NM2230              */
128: #define FB_ACCEL_NEOMAGIC_NM2360 97     /* NeoMagic NM2360              */
129: #define FB_ACCEL_NEOMAGIC_NM2380 98     /* NeoMagic NM2380              */
130: #define FB_ACCEL_PXA3XX          99     /* PXA3xx                       */
131: 
132: #define FB_ACCEL_SAVAGE4        0x80    /* S3 Savage4                   */
133: #define FB_ACCEL_SAVAGE3D       0x81    /* S3 Savage3D                  */
134: #define FB_ACCEL_SAVAGE3D_MV    0x82    /* S3 Savage3D-MV               */
135: #define FB_ACCEL_SAVAGE2000     0x83    /* S3 Savage2000                */
136: #define FB_ACCEL_SAVAGE_MX_MV   0x84    /* S3 Savage/MX-MV              */
137: #define FB_ACCEL_SAVAGE_MX      0x85    /* S3 Savage/MX                 */
138: #define FB_ACCEL_SAVAGE_IX_MV   0x86    /* S3 Savage/IX-MV              */
139: #define FB_ACCEL_SAVAGE_IX      0x87    /* S3 Savage/IX                 */
140: #define FB_ACCEL_PROSAVAGE_PM   0x88    /* S3 ProSavage PM133           */
141: #define FB_ACCEL_PROSAVAGE_KM   0x89    /* S3 ProSavage KM133           */
142: #define FB_ACCEL_S3TWISTER_P    0x8a    /* S3 Twister                   */
143: #define FB_ACCEL_S3TWISTER_K    0x8b    /* S3 TwisterK                  */
144: #define FB_ACCEL_SUPERSAVAGE    0x8c    /* S3 Supersavage               */
145: #define FB_ACCEL_PROSAVAGE_DDR  0x8d    /* S3 ProSavage DDR             */
146: #define FB_ACCEL_PROSAVAGE_DDRK 0x8e    /* S3 ProSavage DDR-K           */
147: 
148: #define FB_ACCEL_PUV3_UNIGFX    0xa0    /* PKUnity-v3 Unigfx            */
149: 
150: struct fb_fix_screeninfo {
151:         char id[16];                    /* identification string eg "TT Builtin" */
152:         unsigned long smem_start;       /* Start of frame buffer mem */
153:                                         /* (physical address) */
154:         __u32 smem_len;                 /* Length of frame buffer mem */
155:         __u32 type;                     /* see FB_TYPE_*                */
156:         __u32 type_aux;                 /* Interleave for interleaved Planes */
157:         __u32 visual;                   /* see FB_VISUAL_*              */ 
158:         __u16 xpanstep;                 /* zero if no hardware panning  */
159:         __u16 ypanstep;                 /* zero if no hardware panning  */
160:         __u16 ywrapstep;                /* zero if no hardware ywrap    */
161:         __u32 line_length;              /* length of a line in bytes    */
162:         unsigned long mmio_start;       /* Start of Memory Mapped I/O   */
163:                                         /* (physical address) */
164:         __u32 mmio_len;                 /* Length of Memory Mapped I/O  */
165:         __u32 accel;                    /* Indicate to driver which     */
166:                                         /*  specific chip/card we have  */
167:         __u16 reserved[3];              /* Reserved for future compatibility */
168: };
169: 
170: /* Interpretation of offset for color fields: All offsets are from the right,
171:  * inside a "pixel" value, which is exactly 'bits_per_pixel' wide (means: you
172:  * can use the offset as right argument to <<). A pixel afterwards is a bit
173:  * stream and is written to video memory as that unmodified.
174:  *
175:  * For pseudocolor: offset and length should be the same for all color
176:  * components. Offset specifies the position of the least significant bit
177:  * of the pallette index in a pixel value. Length indicates the number
178:  * of available palette entries (i.e. # of entries = 1 << length).
179:  */
180: struct fb_bitfield {
181:         __u32 offset;                   /* beginning of bitfield        */
182:         __u32 length;                   /* length of bitfield           */
183:         __u32 msb_right;                /* != 0 : Most significant bit is */ 
184:                                         /* right */ 
185: };
186: 
187: #define FB_NONSTD_HAM           1       /* Hold-And-Modify (HAM)        */
188: #define FB_NONSTD_REV_PIX_IN_B  2       /* order of pixels in each byte is reversed */
189: 
190: #define FB_ACTIVATE_NOW         0       /* set values immediately (or vbl)*/
191: #define FB_ACTIVATE_NXTOPEN     1       /* activate on next open        */
192: #define FB_ACTIVATE_TEST        2       /* don't set, round up impossible */
193: #define FB_ACTIVATE_MASK       15
194:                                         /* values                       */
195: #define FB_ACTIVATE_VBL        16       /* activate values on next vbl  */
196: #define FB_CHANGE_CMAP_VBL     32       /* change colormap on vbl       */
197: #define FB_ACTIVATE_ALL        64       /* change all VCs on this fb    */
198: #define FB_ACTIVATE_FORCE     128       /* force apply even when no change*/
199: #define FB_ACTIVATE_INV_MODE  256       /* invalidate videomode */
200: 
201: #define FB_ACCELF_TEXT          1       /* (OBSOLETE) see fb_info.flags and vc_mode */
202: 
203: #define FB_SYNC_HOR_HIGH_ACT    1       /* horizontal sync high active  */
204: #define FB_SYNC_VERT_HIGH_ACT   2       /* vertical sync high active    */
205: #define FB_SYNC_EXT             4       /* external sync                */
206: #define FB_SYNC_COMP_HIGH_ACT   8       /* composite sync high active   */
207: #define FB_SYNC_BROADCAST       16      /* broadcast video timings      */
208:                                         /* vtotal = 144d/288n/576i => PAL  */
209:                                         /* vtotal = 121d/242n/484i => NTSC */
210: #define FB_SYNC_ON_GREEN        32      /* sync on green */
211: 
212: #define FB_VMODE_NONINTERLACED  0       /* non interlaced */
213: #define FB_VMODE_INTERLACED     1       /* interlaced   */
214: #define FB_VMODE_DOUBLE         2       /* double scan */
215: #define FB_VMODE_ODD_FLD_FIRST  4       /* interlaced: top line first */
216: #define FB_VMODE_MASK           255
217: 
218: #define FB_VMODE_YWRAP          256     /* ywrap instead of panning     */
219: #define FB_VMODE_SMOOTH_XPAN    512     /* smooth xpan possible (internally used) */
220: #define FB_VMODE_CONUPDATE      512     /* don't update x/yoffset       */
221: 
222: /*
223:  * Display rotation support
224:  */
225: #define FB_ROTATE_UR      0
226: #define FB_ROTATE_CW      1
227: #define FB_ROTATE_UD      2
228: #define FB_ROTATE_CCW     3
229: 
230: #define PICOS2KHZ(a) (1000000000UL/(a))
231: #define KHZ2PICOS(a) (1000000000UL/(a))
232: 
233: struct fb_var_screeninfo {
234:         __u32 xres;                     /* visible resolution           */
235:         __u32 yres;
236:         __u32 xres_virtual;             /* virtual resolution           */
237:         __u32 yres_virtual;
238:         __u32 xoffset;                  /* offset from virtual to visible */
239:         __u32 yoffset;                  /* resolution                   */
240: 
241:         __u32 bits_per_pixel;           /* guess what                   */
242:         __u32 grayscale;                /* != 0 Graylevels instead of colors */
243: 
244:         struct fb_bitfield red;         /* bitfield in fb mem if true color, */
245:         struct fb_bitfield green;       /* else only length is significant */
246:         struct fb_bitfield blue;
247:         struct fb_bitfield transp;      /* transparency                 */      
248: 
249:         __u32 nonstd;                   /* != 0 Non standard pixel format */
250: 
251:         __u32 activate;                 /* see FB_ACTIVATE_*            */
252: 
253:         __u32 height;                   /* height of picture in mm    */
254:         __u32 width;                    /* width of picture in mm     */
255: 
256:         __u32 accel_flags;              /* (OBSOLETE) see fb_info.flags */
257: 
258:         /* Timing: All values in pixclocks, except pixclock (of course) */
259:         __u32 pixclock;                 /* pixel clock in ps (pico seconds) */
260:         __u32 left_margin;              /* time from sync to picture    */
261:         __u32 right_margin;             /* time from picture to sync    */
262:         __u32 upper_margin;             /* time from sync to picture    */
263:         __u32 lower_margin;
264:         __u32 hsync_len;                /* length of horizontal sync    */
265:         __u32 vsync_len;                /* length of vertical sync      */
266:         __u32 sync;                     /* see FB_SYNC_*                */
267:         __u32 vmode;                    /* see FB_VMODE_*               */
268:         __u32 rotate;                   /* angle we rotate counter clockwise */
269:         __u32 reserved[5];              /* Reserved for future compatibility */
270: };
271: 
272: struct fb_cmap {
273:         __u32 start;                    /* First entry  */
274:         __u32 len;                      /* Number of entries */
275:         __u16 *red;                     /* Red values   */
276:         __u16 *green;
277:         __u16 *blue;
278:         __u16 *transp;                  /* transparency, can be NULL */
279: };
280: 
281: struct fb_con2fbmap {
282:         __u32 console;
283:         __u32 framebuffer;
284: };
285: 
286: /* VESA Blanking Levels */
287: #define VESA_NO_BLANKING        0
288: #define VESA_VSYNC_SUSPEND      1
289: #define VESA_HSYNC_SUSPEND      2
290: #define VESA_POWERDOWN          3
291: 
292: 
293: enum {
294:         /* screen: unblanked, hsync: on,  vsync: on */
295:         FB_BLANK_UNBLANK       = VESA_NO_BLANKING,
296: 
297:         /* screen: blanked,   hsync: on,  vsync: on */
298:         FB_BLANK_NORMAL        = VESA_NO_BLANKING + 1,
299: 
300:         /* screen: blanked,   hsync: on,  vsync: off */
301:         FB_BLANK_VSYNC_SUSPEND = VESA_VSYNC_SUSPEND + 1,
302: 
303:         /* screen: blanked,   hsync: off, vsync: on */
304:         FB_BLANK_HSYNC_SUSPEND = VESA_HSYNC_SUSPEND + 1,
305: 
306:         /* screen: blanked,   hsync: off, vsync: off */
307:         FB_BLANK_POWERDOWN     = VESA_POWERDOWN + 1
308: };
309: 
310: #define FB_VBLANK_VBLANKING     0x001   /* currently in a vertical blank */
311: #define FB_VBLANK_HBLANKING     0x002   /* currently in a horizontal blank */
312: #define FB_VBLANK_HAVE_VBLANK   0x004   /* vertical blanks can be detected */
313: #define FB_VBLANK_HAVE_HBLANK   0x008   /* horizontal blanks can be detected */
314: #define FB_VBLANK_HAVE_COUNT    0x010   /* global retrace counter is available */
315: #define FB_VBLANK_HAVE_VCOUNT   0x020   /* the vcount field is valid */
316: #define FB_VBLANK_HAVE_HCOUNT   0x040   /* the hcount field is valid */
317: #define FB_VBLANK_VSYNCING      0x080   /* currently in a vsync */
318: #define FB_VBLANK_HAVE_VSYNC    0x100   /* verical syncs can be detected */
319: 
320: struct fb_vblank {
321:         __u32 flags;                    /* FB_VBLANK flags */
322:         __u32 count;                    /* counter of retraces since boot */
323:         __u32 vcount;                   /* current scanline position */
324:         __u32 hcount;                   /* current scandot position */
325:         __u32 reserved[4];              /* reserved for future compatibility */
326: };
327: 
328: /* Internal HW accel */
329: #define ROP_COPY 0
330: #define ROP_XOR  1
331: 
332: struct fb_copyarea {
333:         __u32 dx;
334:         __u32 dy;
335:         __u32 width;
336:         __u32 height;
337:         __u32 sx;
338:         __u32 sy;
339: };
340: 
341: struct fb_fillrect {
342:         __u32 dx;       /* screen-relative */
343:         __u32 dy;
344:         __u32 width;
345:         __u32 height;
346:         __u32 color;
347:         __u32 rop;
348: };
349: 
350: struct fb_image {
351:         __u32 dx;               /* Where to place image */
352:         __u32 dy;
353:         __u32 width;            /* Size of image */
354:         __u32 height;
355:         __u32 fg_color;         /* Only used when a mono bitmap */
356:         __u32 bg_color;
357:         __u8  depth;            /* Depth of the image */
358:         const char *data;       /* Pointer to image data */
359:         struct fb_cmap cmap;    /* color map info */
360: };
361: 
362: /*
363:  * hardware cursor control
364:  */
365: 
366: #define FB_CUR_SETIMAGE 0x01
367: #define FB_CUR_SETPOS   0x02
368: #define FB_CUR_SETHOT   0x04
369: #define FB_CUR_SETCMAP  0x08
370: #define FB_CUR_SETSHAPE 0x10
371: #define FB_CUR_SETSIZE  0x20
372: #define FB_CUR_SETALL   0xFF
373: 
374: struct fbcurpos {
375:         __u16 x, y;
376: };
377: 
378: struct fb_cursor {
379:         __u16 set;              /* what to set */
380:         __u16 enable;           /* cursor on/off */
381:         __u16 rop;              /* bitop operation */
382:         const char *mask;       /* cursor mask bits */
383:         struct fbcurpos hot;    /* cursor hot spot */
384:         struct fb_image image;  /* Cursor image */
385: };
386: 
387: #ifdef CONFIG_FB_BACKLIGHT
388: /* Settings for the generic backlight code */
389: #define FB_BACKLIGHT_LEVELS     128
390: #define FB_BACKLIGHT_MAX        0xFF
391: #endif
392: 
393: 
394: #endif /* _LINUX_FB_H */
395: 


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© Andrew Scott 2006 - 2025,
All Rights Reserved
http://www.andrew-scott.uk/
Andrew Scott
http://www.andrew-scott.co.uk/